/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.inlong.sort.cdc.mysql.source.offset;

import org.apache.flink.annotation.Internal;
import org.apache.flink.shaded.jackson2.com.fasterxml.jackson.databind.ObjectMapper;

import java.io.IOException;
import java.util.Map;

/** Serializer implementation for a {@link BinlogOffset}. */
@Internal
public class BinlogOffsetSerializer {

    public static final BinlogOffsetSerializer INSTANCE = new BinlogOffsetSerializer();

    public byte[] serialize(BinlogOffset binlogOffset) throws IOException {
        // use JSON serialization
        ObjectMapper objectMapper = new ObjectMapper();
        return objectMapper.writeValueAsBytes(binlogOffset.getOffset());
    }

    public BinlogOffset deserialize(byte[] bytes) throws IOException {
        ObjectMapper objectMapper = new ObjectMapper();
        Map<String, String> offset = objectMapper.readValue(bytes, Map.class);
        return new BinlogOffset(offset);
    }
}
